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[Qemu-devel] [PATCH v5 07/10] migration: move skip_configuration out
From: |
Peter Xu |
Subject: |
[Qemu-devel] [PATCH v5 07/10] migration: move skip_configuration out |
Date: |
Fri, 23 Jun 2017 12:46:43 +0800 |
It was in SaveState but now moved to MigrationState altogether, reverted
its meaning, then renamed to "send_configuration". Again, using
HW_COMPAT_2_3 for old PC/SPAPR machines, and accel_register_prop() for
xen_init().
Removing savevm_skip_configuration().
Reviewed-by: Juan Quintela <address@hidden>
Signed-off-by: Peter Xu <address@hidden>
---
hw/i386/pc_piix.c | 1 -
hw/ppc/spapr.c | 1 -
hw/xen/xen-common.c | 6 +++++-
include/hw/compat.h | 4 ++++
include/migration/misc.h | 1 -
migration/migration.c | 2 ++
migration/migration.h | 3 +++
migration/savevm.c | 15 ++++-----------
8 files changed, 18 insertions(+), 15 deletions(-)
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 3b51297..488fc0a 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -318,7 +318,6 @@ static void pc_compat_2_3(MachineState *machine)
if (kvm_enabled()) {
pcms->smm = ON_OFF_AUTO_OFF;
}
- savevm_skip_configuration();
}
static void pc_compat_2_2(MachineState *machine)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index edbdbfd..29fac1b 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -3580,7 +3580,6 @@ static void
spapr_machine_2_3_instance_options(MachineState *machine)
{
spapr_machine_2_4_instance_options(machine);
savevm_skip_section_footers();
- savevm_skip_configuration();
}
static void spapr_machine_2_3_class_options(MachineClass *mc)
diff --git a/hw/xen/xen-common.c b/hw/xen/xen-common.c
index 9163a0a..6e52fb0 100644
--- a/hw/xen/xen-common.c
+++ b/hw/xen/xen-common.c
@@ -139,7 +139,6 @@ static int xen_init(MachineState *ms)
}
qemu_add_vm_change_state_handler(xen_change_state_handler, NULL);
- savevm_skip_configuration();
savevm_skip_section_footers();
return 0;
@@ -151,6 +150,11 @@ GlobalProperty xen_compat_props[] = {
.property = "store-global-state",
.value = "off",
},
+ {
+ .driver = "migration",
+ .property = "send-configuration",
+ .value = "off",
+ },
{ .driver = NULL, .property = NULL, .value = NULL },
};
diff --git a/include/hw/compat.h b/include/hw/compat.h
index a506a74..1a3fd94 100644
--- a/include/hw/compat.h
+++ b/include/hw/compat.h
@@ -183,6 +183,10 @@
.value = "off",\
},{\
.driver = "migration",\
+ .property = "send-configuration",\
+ .value = "off",\
+ },{\
+ .driver = "migration",\
.property = "store-global-state",\
.value = "off",\
},
diff --git a/include/migration/misc.h b/include/migration/misc.h
index 6ac3307..f30db4d 100644
--- a/include/migration/misc.h
+++ b/include/migration/misc.h
@@ -42,7 +42,6 @@ int64_t self_announce_delay(int round)
void dump_vmstate_json_to_file(FILE *out_fp);
void savevm_skip_section_footers(void);
-void savevm_skip_configuration(void);
/* migration/migration.c */
void migration_object_init(void);
diff --git a/migration/migration.c b/migration/migration.c
index 67f9e68..414e14d 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1985,6 +1985,8 @@ static Property migration_properties[] = {
DEFINE_PROP_BOOL("store-global-state", MigrationState,
store_global_state, true),
DEFINE_PROP_BOOL("only-migratable", MigrationState, only_migratable,
false),
+ DEFINE_PROP_BOOL("send-configuration", MigrationState,
+ send_configuration, true),
DEFINE_PROP_END_OF_LIST(),
};
diff --git a/migration/migration.h b/migration/migration.h
index 34377dd..4d4ea0d 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -142,6 +142,9 @@ struct MigrationState
/* Whether the VM is only allowing for migratable devices */
bool only_migratable;
+
+ /* Whether we send QEMU_VM_CONFIGURATION during migration */
+ bool send_configuration;
};
void migrate_set_state(int *state, int old_state, int new_state);
diff --git a/migration/savevm.c b/migration/savevm.c
index 917ab05..f1e144d 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -287,7 +287,6 @@ typedef struct SaveStateEntry {
typedef struct SaveState {
QTAILQ_HEAD(, SaveStateEntry) handlers;
int global_section_id;
- bool skip_configuration;
uint32_t len;
const char *name;
uint32_t target_page_bits;
@@ -296,15 +295,8 @@ typedef struct SaveState {
static SaveState savevm_state = {
.handlers = QTAILQ_HEAD_INITIALIZER(savevm_state.handlers),
.global_section_id = 0,
- .skip_configuration = false,
};
-void savevm_skip_configuration(void)
-{
- savevm_state.skip_configuration = true;
-}
-
-
static void configuration_pre_save(void *opaque)
{
SaveState *state = opaque;
@@ -970,11 +962,11 @@ void qemu_savevm_state_header(QEMUFile *f)
qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
qemu_put_be32(f, QEMU_VM_FILE_VERSION);
- if (!savevm_state.skip_configuration || enforce_config_section()) {
+ if (migrate_get_current()->send_configuration ||
+ enforce_config_section()) {
qemu_put_byte(f, QEMU_VM_CONFIGURATION);
vmstate_save_state(f, &vmstate_configuration, &savevm_state, 0);
}
-
}
void qemu_savevm_state_begin(QEMUFile *f)
@@ -1995,7 +1987,8 @@ int qemu_loadvm_state(QEMUFile *f)
return -ENOTSUP;
}
- if (!savevm_state.skip_configuration || enforce_config_section()) {
+ if (migrate_get_current()->send_configuration ||
+ enforce_config_section()) {
if (qemu_get_byte(f) != QEMU_VM_CONFIGURATION) {
error_report("Configuration section missing");
return -EINVAL;
--
2.7.4
- Re: [Qemu-devel] [PATCH v5 03/10] vl: clean up global property registerations, (continued)
- [Qemu-devel] [PATCH v5 05/10] migration: move global_state.optional out, Peter Xu, 2017/06/23
- [Qemu-devel] [PATCH v5 06/10] migration: move only_migratable to MigrationState, Peter Xu, 2017/06/23
- [Qemu-devel] [PATCH v5 07/10] migration: move skip_configuration out,
Peter Xu <=
- [Qemu-devel] [PATCH v5 08/10] migration: move skip_section_footers, Peter Xu, 2017/06/23
- [Qemu-devel] [PATCH v5 09/10] migration: merge enforce_config_section somewhat, Peter Xu, 2017/06/23
- [Qemu-devel] [PATCH v5 10/10] migration: hmp: dump globals, Peter Xu, 2017/06/23